Romanovski, Valery G.Han, MaoanHuang, Wentao2022-01-242022-01-242018-03-13Romanovski, V. G., Han, M., & Huang, W. (2018). Bifurcation of critical periods of a quintic system. <i>Electronic Journal of Differential Equations, 2018</i>(66), pp. 1-11.1072-6691https://hdl.handle.net/10877/15208We investigate the critical period bifurcations of the system ẋ = ix + xx̄ (αx3 + bx2x̄ + x̄x̄2 + dx̄3) studied in [6]. We prove that at most three critical periods can bifurcate from any nonlinear center of the system.Text11 pages1 file (.pdf)enAttribution 4.0 InternationalCritical periodBifurcationIsochronicityPolynomial systemsArticle